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E39 (1997 - 2003)
The BMW 5-Series (E39 chassis) was introduced in the United States as a 1997 model year car and lasted until the 2004 when the E60 chassis was released. The United States saw several variations including the 525i, 528i, 530i and 540i. -- View the E39 Wiki

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  #1  
Old 10-17-2013, 05:13 AM
shinnes shinnes is offline
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Location: Delaware USA
 
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Mein Auto: 2002 BMW 525i
Coolant shots up like a fire hose when bleeeding

I was trying to bleed my 2002 525i, but every-time I tried coolant shoots out the little upper hose hole like a fire hose. Don't know what to do, am I doing something wrong?
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  #2  
Old 10-17-2013, 06:10 AM
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Flybot Flybot is offline
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Sounds like you are removing a bleed screw. You dont remove it, you simply loosen it and watch for steam, then liquid. Also, I think on 6 cyl you were supposed to loosen the bleed screw on the overflow tank? What is this "upper hose hole"?
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Old 10-17-2013, 02:04 PM
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bluebee bluebee is offline
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Mein Auto: 02 BMW 525i M54 auto 130K
Quote:
Originally Posted by shinnes View Post
I was trying to bleed my 2002 525i, but every-time I tried coolant shoots out the little upper hose hole like a fire hose. Don't know what to do, am I doing something wrong?
You mean, like this?


- Various methods for draining & refilling (1) (pdf) & bleeding the cooling system for all E39s (1) (2) (pdf) & instructions specific for the V8 (1) & the BMW TIS for bleeding the cooling system (pdf) & for working on the cooling system (pdf).
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See also: E39 Bestlinks & How to easily find what you need
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Old 10-17-2013, 08:37 PM
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eparayno eparayno is offline
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It's shooting like hat because of the second pump in the coolant line attached to the drivers side of the radiator. What I did when I bled my 03 530 was jack the front up, removed the bleed screw on the hose coming from the thermostat housing, fill the reservoir with coolant until coolant starts bubbling out of the bleed hole. Once the bubbling stops, and a steady stream of coolant comes out the bleed hole, install the bleed screw and fill the reservoir to the correct level.

This is done with the heater off as turning the key to the on position will run the pump and shoot coolant everywhere. Once you're done, drive around checking temps to see if all is normal. Turn the heater to the hottest setting to cycle the coolant in the heater core and move any air pockets out. Park the car then check the coolant level I the reservoir the following day. Repeat a few times until the level in the reservoir remains level when cold.
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Old 10-18-2013, 07:59 PM
occhis occhis is offline
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You must bleed with the engine COLD. And it's best if the front end is raised up so that the air is forced to the front of the motor where the bleeder is.
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Old 10-20-2013, 04:34 PM
shinnes shinnes is offline
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Thank you guys, I guess my problem was as Eparayno said I have to have it " jack the front up and have heater off "
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  #7  
Old 10-20-2013, 04:36 PM
shinnes shinnes is offline
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Location: Delaware USA
 
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Mein Auto: 2002 BMW 525i
Quote:
Originally Posted by bluebee View Post
You mean, like this?


- Various methods for draining & refilling (1) (pdf) & bleeding the cooling system for all E39s (1) (2) (pdf) & instructions specific for the V8 (1) & the BMW TIS for bleeding the cooling system (pdf) & for working on the cooling system (pdf).
I didn't know that I thought it was the Philips plastic screw on the upper hose thats coming from the thermostat housing.
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